Gas-furnace



No. 620,052. Patented Feb. 2|, I899.

C. W. RICE.

6 AS F U B N A O E (Application filed Oct. 27, 1898.)

(No Model.)

2 Shaets8heet I.

//V VE N 706 A TTOHNE No. 620,052. Patented Feb. 2|, I899. C. W. RICE.

GAS FURNACE.

(Application filed. Oct. 27, 189B.)

2 Sheets-Sheet 2.

(No Model.)

WITNESSES A TTORNEYS.

Tm: ucmus PETERS 00.. Fume-urge wAswHa'oN. 0. K2,.

UNITED STATES PATENT OFFICE.

CHARLES W. RICE, OF COLUMBUS, OHIO.

GAS-FURNACE.

SPECIFICATION forming part of Letters Patent No. 620,052, dated February21, 1899.

Application filed October 27,1898. Serial No. 694,722. (No model.)

To all whom it may concern.-

Be it known that I, CHARLES W. RICE, of Columbus, in the county ofFranklin and State of Ohio, have invented a new and ImprovedGas-Furnace, of which the following is a full, clear, and exactdescription.

My invention relates to an improvment in gas furnaces and stoves usedfor heating purposes, and comprises the novel features hereinafterdescribed and claimed.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar characters of reference indicatecorresponding parts in all the figures.

Figure 1 is a sectional elevation of my furnace on the line 1 1 in Fig.2. Fig. 2 is asectional plan taken upon the line 2 2 in Fig. 1. Fig. 3is a sectional elevation on the line 3 3 in Fig. 4 of a stove built uponthe same principles. Fig. 4 is a sectional plan taken upon the line 4 atin Fig. 3. Fig. 5 is a sectional elevation on the line 5 5 in Fig. 6 ofa slightlymodified form of stove, and Fig. 6 is a sectional plan on theline 6 6 in Fig. 5.

My stove or furnace is designed for use in connection with gas, andcontains a central combustion-chamber A, made in the form of a cylinder,preferably slightly reduced in diameter at its upper end and having agasburner E located in the lower. part thereof and supplied with gasthrough pipes E, which extend laterally outside of the furnace or stove.An opening is made in the lower part of the combustion-chamber for theintroduction of air and to permit examination of the.

burner. I This opening is connected by means of a pipe a with the outercasing O and is provided with any suitable door by which it may beclosed when desired.

The combustion-chamber A extends up ward through the bottom of the bodyB of the furnace, which consists of a cylinder extending a shortdistance above the upper end of the combustion-chamber A. From the roofof the main chamber B is suspended, by means of bolts 9, adeflecting-plate G, which is of somewhat greater diameter than the upperend of the combustion-chamber and deflects the current downward andabout the combustion-chamber. It also forms an easilyrenewable member,which receives the most intense heat of the flame, and thus protects thetop or crown sheet of the furnace proper. When this plate has beendestroyed, another may be cheaply substituted. Above the up per end ofthe bodyB is a drum F, which, as shown in Fig. 1, is supported a shortdistance above the end of the body B by means of short legs f, so as toform an air-space between the two. As shown in Fig. 3, the upper end ofthe main chamber or body B forms the lower portion of the drum. Saiddrum is connected with the lower portion of the body of the furnace bymeans of pipes D, which extend outside of the body and are disposedabout the same in any convenient manner. The number of these pipes willvary according to the capacity of the furnace. In Fig. 5 these pipes areshown as directly connecting with the smoke pipe or flue H, the lowerend of which, H, rests upon the top wall of the body B, so as to receiveheat thereform by transmission, said lower end H being thus anequivalent of the drum F. In the other cases the smoke-pipe H is shownas connecting directly with the upper portion of the drum F. Thesmoke-pipe H is provided with a damper h by means of which thecirculation may be regulated.

As shown in Figs. 1 and 2, the entire furnace is surrounded by a casingO, which is provided with openings J in its lower portion for theadmission of air and has pipes I connected with its upper portion forconveying the heated air to any point desired. In the forms shown inFigs. 3 and 5, which are designed more for use as stoves, the body ofthe furnace is supported upon legs L, which rise to a short distanceabove the floor. This form of stove or furnace will extract a largeproportion of heat from the gases and is very economical in the usethereof. In Fig. 1 is shown at K a reducer, placed in the smokepipe nearthe chimney and consisting of a cone of sheet metal, its larger endbeing toward the furnace and filling the pipe. The product of combustionin furnaces using natural gas or other similar fuels is largely water,which is in the form of steam in the furnace. A comparatively very smallpipe is sufficient to carry this away, but a somewhat larger pipe thanactually necessary is desirable for its increased radiation and betterappearance. By using the above reducer the larger pipe may be used andthe reduction of size be accomplished, which keeps the pipe hot andprevents the steam condensing and dripping from the joints, whichotherwise would be a cause of much trouble.

It will of course be understood that the reducer K may be used in thesmoke-pipe H of any one of the stoves or furnaces shown.

Having thus fully described my invention, I claim as new and desire tosecure by Letters Patent- 1. The combination of the combustionchambertapering toward its upper end, the main body surrounding saidcombustionchamber and communicating therewith at the top only, the drumlocated on top of the main body in metallic contact therewith so as toreceive heat by transmission, the pipes connecting said drum with thelower part of the main body, and the smoke-pipe connected with the drum.

2. The combination of the upright combustion-chamber, the main bodyhaving a closed top and surrounding the combustionchamber at a distanceso as to form an annular cham her, the two chambers communicating at thetop only, and the side wall of the main body being apert redcircumferentially near its bottom, the drum located on top of the mainbody in metallic contact therewith so as to receive heat bytransmission, said drum being apertured peripherally, pipes connectingthe apertures of the main body with those of the drum, and thesmoke-pipe connected with the drum.

3. The combination of the upright combustion-chamber, the main bodyhaving a closed top and surrounding the combustion-chamber at a distanceso as to form an annular chamber, the two chambers communicating at thetop only, and the side wall of the main body being aperturedcircumferentially near its bottom, the deflector depending from the topof the main body and extending outwardly beyond the upper end of thecombustionchamber at a distance therefrom, the drum located on top ofthe main body in metallic contact therewith so as to receive heat bytransmission, said drum being apertured peripherally, pipes connectingthe apertures of the main body with those of the drum, and thesmoke-pipe connected with the drum.

4. A furnace having a cylindrical main body, a cylindricalcombustion-chamber extending upward within and to near the top of thebody, a deflecting-plate suspended from the crown of the main body andcovering the upper end of the combustion-chamber and at a short distancetherefrom, said deflectingplate having its edges curved downward, a drumsupported above the furnace-body, but out of direct communication withthe upper part of such body and a series of fines connecting the drumwith the lower part of the furnace-body, substantially as described.

CHARLES \V. RICE.

Witnesses:

JOHN F. FERGUS, ARLINGTON O. HARVEY.

